Latch
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A latch or catch is a type of mechanical fastener that joins two or more objects or surfaces while allowing for their regular separation. A latch typically engages another piece of hardware on the oth
Knob has crescent-shaped bar which pulls back latch bolt when turned. Version on upper right has a lock; version on upper left does not. Kwikset uses this shape. Other companies have square or D-shaped bars.
Electronic cam lock
Norfolk latch, circa 1939
A wooden crossbar on a door
Unsafe at Any Speed
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Unsafe at Any Speed: The Designed-In Dangers of the American Automobile is a non-fiction book by consumer advocate Ralph Nader, first published in 1965. Its central theme is that car manufacturers res
Latch
…hinged door to remain safely latched and closed. It is named after consumer rights advocate and politician Ralph Nader, who in 1965 released the book Unsafe at Any Speed which claimed that American cars were fundamentally flawed with respect to operator safety. Latches in seatbelts typically fasten the belt which…
Exhibit featuring the book at Henry Ford Museum, Detroit
Chrome-finishing at the dashboard and a pillar of a 1957 Buick Roadmaster, a car that became infamous for suddenly losing brake-pressure
Ralph Nader in 1975
Unsafe at Any Speed claimed that aggressive styling like that of the 1957 Chevrolet Bel Air was hazardous to pedestrians.